Ab roller



FIG. 1 is a top perspective view of an AB roller, showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is an enlarged detail view of area 9 in FIG. 1 .

The thin broken lines in the drawings illustrate the portions of the AB roller, which form no part of the claimed design.

The dash-dot-dash broken lines encircling the enlarged views are for annotative purposes only and form no part of the claim thereof. 

CLAIM The ornamental design for an AB roller, as shown and described. 